1583 Antilochus (Asteroid)
From South El Monte , 1583 Antilochus is visible in the dawn sky, rising at 02:07 (PST) and reaching an altitude of 31° above the south-eastern horizon before fading from view as dawn breaks at around 05:44.
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Name
1583 Antilochus
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Object type
Asteroid
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Current position
| Computed for: | 16 December 2025 |
| Right ascension: | 12h58m [1] |
| Declination: | −21°19' [1] |
| Constellation: | Virgo |
| Magnitude: | 16.61 (V) [1] |
| Distance: | 5.72 AU 47.58 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 5.15 AU |
| Eccentricity: | 0.053237 |
| Inclination: | 28.49° |
| Longitude ascending node: | 221.39° |
| Argument of perihelion: | 189.19° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 132.03° |
| Absolute mag (H): | 8.56 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 4.88 AU |
| Aphelion: | 5.43 AU |
| Orbital period: | 11.70 years |